# encoding: utf-8
# frozen_string_literal: true
#
# Redmine plugin for Document Management System "Features"
#
# Copyright © 2011-21 Karel Pičman <karel.picman@kontron.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class DmsfWorkflowStepAction < ActiveRecord::Base

  belongs_to :dmsf_workflow_step_assignment
  belongs_to :author, class_name: 'User', foreign_key: 'author_id'

  validates :dmsf_workflow_step_assignment, presence: true
  validates :action, presence: true
  validates :author_id, presence: true
  validates :note, presence: true, unless: lambda { action == DmsfWorkflowStepAction::ACTION_APPROVE }
  validates_uniqueness_of :dmsf_workflow_step_assignment_id, scope: [:action],
                          unless: lambda { action == DmsfWorkflowStepAction::ACTION_DELEGATE }

  ACTION_APPROVE = 1
  ACTION_REJECT = 2
  ACTION_DELEGATE = 3
  ACTION_ASSIGN = 4
  ACTION_START = 5

  def initialize(*args)
    super
    self.author_id = User.current.id if User.current
  end

  def self.is_finished?(action)
    action == DmsfWorkflowStepAction::ACTION_APPROVE ||
      action == DmsfWorkflowStepAction::ACTION_REJECT
  end

  def is_finished?
    DmsfWorkflowStepAction.is_finished? action
  end

  def self.action_str(action)
    if action
      case action.to_i
        when ACTION_APPROVE
          l(:title_approval)
        when ACTION_REJECT
          l(:title_rejection)
        when ACTION_DELEGATE
          l(:title_delegation)
        when ACTION_ASSIGN
          l(:title_assignment)
        when ACTION_START
          l(:title_start)
      end
    end
  end

  def self.action_type_str(action)
    if action
      case action.to_i
        when ACTION_APPROVE
          'approval'
        when ACTION_REJECT
          'rejection'
        when ACTION_DELEGATE
          'delegation'
        when ACTION_ASSIGN
          'assignment'
        when ACTION_START
          'start'
      end
    end
  end

  def self.workflow_str(action)
    if action
      case action.to_i
        when ACTION_REJECT
          l(:title_rejected)
        when ACTION_ASSIGN
          l(:title_assigned)
        when ACTION_START, ACTION_DELEGATE, ACTION_APPROVE
          l(:title_waiting_for_approval)
        else
          l(:title_none)
      end
    end
  end

end